2018-2019 ACM-ICPC, Asia Jiaozuo Regional Contest

Problem A

Solved by zerol. 00:07 (+)

温暖的签到。（介绍景点好评）

Problem B

Solved by kblack. 04:52 (+6)

Problem C

Solved by zerol. 04:45 (+2)

Problem D

Solved by ultmaster. 01:13 (+)

Problem E

Solved by zerol. 00:45 (+)

题意：求 $\min_{x \le n} \{\frac x {\sum_{i|x} \mu^2(i) \cdot i}\}$

题解：直接令 $x$ 是若干个最小的质数的积。

Problem F

Solved by ultmaster. 01:46 (+1)

Problem I

Solved by kblack. 00:52 (+)

Problem L

Solved by kblack. 03:09 (+)